High-pressure lubricating-pump.



4 t o,lubrieator lines; and force the lubricant 1 STATES PATENT j i mm? a. xdctmim; or menu, ARIZONA, Ass'ronon "r .io'snrii minim Be it known that 1, 1mm H. MCoLEL-I TRUSTEE, or TUCSON, ARIZONA.

To all whom it may concern LANDQfl citizen of the United States, resid-' ing at Tucson,'in the county'of Pima, State offAiirona, have invented new and'us'eful Improvements in I-Iigh-Pressure Lubricat- Win'g-Pumps, of which the following is'n 1 specification.

t This invention relates to high pressure l0 7 tainses'pecial-ly to pumps adaptedto feed lubricant to the cylindersofa locomotive lubricating pump constructions, and perengine.' c v t -is the primary object of this invention to 'lfOVldG a pump which will, feed fluid to a'ciiambervwhich is under high pressure and high temperature It fis another object o'fthis invention, to

gprovide'l a qlubricator' pump construction Withj douhlefeeding-and an emergency 111- I has been" found that locomotive cylinders especially ;those using superheated Qsteam, are diificult to lubricate when the country q [It has been the'praet c I oplace a l-ubricant under boiler pressure and feed it down- 1 ward. from a" pointf ii itliinthe cab of?! 10- p p The. pump comotivehr adjacent thereto to'the cylinders; the lubricant movlng under the action of gravity.

y nventionf 18' designed to be connected intofthe" cylinders .or other parts under high-pressure." p

H 'sa fluid pressure operated pump and can be connected the exhaiust fromthe motor side of an air compressor,

the exhaust pressure fluid operating my .pumplq The pump can also be operated usingan air pipe from the'pujmp governor fittings and in various other ways.

I accomplislrthe above ob ects hy means bf the embodiment of my invention illustrated in the accompanying drawing, in .whiehx 3 Figure 1 is acyertical sectionahview show- Fig. 2 is a horizontal section on the line rnron rn'nssnpn LUBnIcArINs-rumr.

.cutor which may be hilly or mountainousf operation of the pump. flange 25 is provided in" the lower end of the motor cylinder 9 audits interior form's Pamntekiame 5,191

just 22 of Fig. 1. Fig. 3 is an J k cal section of an inlet valve i'. Fig.4

is a section taken on theline 4: of Fig.1. More. specifically, 5 indi a generall the conduit through which bricant is to be discharged,'butthis or miflmey be he, ordinarvtallow cup port n a locomotive valve chest.

6 is the oil line leading from the luhi'i of any of theiusual types for locomotives.

is the conduit connected to gency 011 line, and 8 a closed lubricant cup adapted to contain a combinationrofigrapb ite and oil. J

The motor cylinderfor mypump is :indicated by 9 and has a' portion 10 reduced in diameter providedwith arms ll andIQ-for theadmissionof lubricant' 'to thetrap well or pump cylinder in- :whichlpressure is placed upon, the lubricant by .Iny pump. The arm 12 is of bifurcated form having one member 13 providedvwith threads-to which the oil line conduit is adapted 'tocbe connected. iThe other member 14 has a l-bore 15 int'eriorly th-readed and adapted tden gage-the threads on a needle viilvelti which is provided with a knurled head 17. for-convenientoperation. v u&n*extension 18 ofthe member 10 i's-='exteriprly threaded as indicated-at 19 for 'beingenga ed-with threads on the" conduit 5 or for being engaged in thefport for the tallow cup. A cylinder head 20 for th'motor end of my pumpi-s" provided, with a nipple 21 having a bore '22fand providedwith threads 23 for engagement with threadson the end of a conduit 24 which leads to the exhaust of the motor end of an aircompressor or any other convenient device for An upstanding an extension of the pump cylinder bore 26.

The latteris of relatively small diameter as compared Withthe bore of 'the niotdr cylinder.v v,

H W, m. afl xi 29, has a boss 30 and the pump plunger 31 preferably integral with each other. In the I have else shown the upper interior-end" ofthe bond-26' beveled as indicated at: "P eve t; lem n tthe ene -n I when it 'str' ilres thleiupperipnd pf -B et9n;2 &rt9ii ed i h-sen pump plunger 31 is an axially extending bore 32 which opens at the side to the motor cylinder and connects it and the pump cylm der, as indicated at A spring El tfor turning the pistorr is disposed in contact with the is'ton 28' and the lower head ofthe motor 'cy inder. Within the pump eyhnder ,Ihave placed a-pinll' which extends trans verse to the axis of the bore'va n'd is disposed i immediately above the inlet feed port'sv I This pin is to preventthe obstruction (if the; inlet ports if the plunger 31 breaks from he, pis'tdn 28 anddrops. p t The arm 12is provided with an inlet port 15' the m eg'nber 13; Inlet port 37is counterbored' atPth" upper, end and-threaded asfat 38 for receiving a bushingi39 liusliing 'fitl' has a seat AQlftoreceive a .ballflvalx'ze41; j rov1ding a.

lubricant upon the" increase of pressure in in the oil lined r mttg waa a seat, 42 jor the hall 41, but this seat is grooved siif'that 'asthe ball rests upon Seat 42 the groove's'43 permit lubricant to fl into-the cylinder "of the pump. 1 The ainountgof fluid flowing may lie regulated by l; the-needle valve 16." *Arin 11 has an inlet 44' which is e'ounterbored andthreaded; as in, (lioatd at 45, T heiimerend of the counteris provideclwvitha valve seat 46, for=- x47 andis groovedas indicated at 48 to 4 7 seats against seat 46.

e made %1 )reventin g the outflow of lubricant "rend the ump} cylinder. I l The-"axially extending bolt 4915 provided 7 with laterally extending ports aiid i fi l,

" each f which:isheounterhorcd as indicated 'atfifitand 5G; 'l hepounterhorc receives he nipple 57 of thelubricant cup 8.; the lat ter lieing iprov-ided' with a closed top 58 Y einergcncyifoil line-conduit 7 is sec-in glin the :countcrbore 56., Port 52' antenna to the "'end-eo'f extension n'iernber 4:9 and is pro-" vided: with threlids as indicated athilffor a o the-reception,of t,Iicodle,val.=- {e {30 which is '--P1".ovid,e'd,;uvith a 'nurled head (31 forcon 'jrYBIllOIll) operation -j g i Theextcnsion 18 is provided with a, counterbored portion )62 which is, interiorly' threaded and haea s inner'enda seat 6 5 adapted to he enga. h the valve 64.- and form atightioint. sh-

i threaded on the exterior ands "66 being formed" a 2 11 1 grooyed as indicated 67"t0 permit lubriemerg'ency oil line, lubricant cup 36 which connects with the inlet port 37 m pie a tight joiht being made whentthe 'alve'47 .scats:upon seat:5l a tight joint will ,line, the enicrgencyfluhi which lS."SGl116d. in pla ce by threads.- The 2,-a seat end and eure'mlet';apunip cylindemdisposed belowupon the seat 66.

Apump havinghecn installed in a locomotive with conduit-6 forming an oil line, 7 an 8 filled "with lubricant, a conduit 24 connected to the exhaust side'ot the Motor end ol an air ,coniprcssor" a11d an extension 19 fitted into ,jhe partithi ough which lubricant is to pass, the pump operation is as followed-Upon the exhaust irom the air compressor the pressure acts upon the top of the piston 28 forcing fitldownward and with it plunger 31. Due

toftheditference insize'ofatlie motorpiston iand'the'pump plunger, the plunger strikes the oil in cylinder26 as anilnpact blow pro- .ducing a relatively high pressure. The valvescil and A7 makev tight oints prevent tight, fit andfpreventing the outflow of -"portswhich they control. yal (i4 l'el'naing ,open and lubrrcantl s forced underfhigh.

; pressure to, the arts to-belubr-ica ted. Upon 'lhe lowe'r end of the counter-bore 38 'istheycessation-o tlieexhaust, spring 3* refs'ueh length that'the resistance 110:, th V of lubricant therethrou li-islre-lat el great and in the; opejra tiohy o thefg'clevi of ,it passesv into pump cylinder 9. is,-; produced"' therein beloiv pie thereby 'iproviding1a relativelyp pressure againstffiwhich the pistonf" Q- operatel; v VYith in'eedle \ialifes ll. "opened, luhricant'is' from the v e fed only from the luhricantlinef 'By ing valve 16 lubricant m y from both cantline, It will be" he lubricant cup and the eniergency luln-icaii e1 osmaximum of safety; eiiice'there,are two luoperation lubricant will continue to flow by bricator linesltor fccdingbcsidcs a lubricant" cup and that n case the pump goes 'out of reason of thefvalvc construction which normally freely connects the feed lines andthe "discharge. It will also be obvious that the application my pump to lubrication is but one of thou-see to Wl'llCll it may bexput,

. a, F, 2 n v as 1t can also be used n connection with boilers to raduatetaliaboiler. I

What Lela 1. A pump,eorr rpr is' gt motor icyli'nder compound into the of relatively large hore having a fluid pres- Ill resilient member disposed below said piston a piston disposed in said motor cylinder, a

for returning same, a plunger secured to sald piston and disposed for reciprocation 1n said pump cylinder, an inlet for said pump cylinder inlet, a conduit connected to said second inlet, a throttle valve controlling said second for returning the same, a

' trolling said inlet, a

ton disposed ring the motor, cylinder inlet, a lubricator cup secured to" said second inlet, an emerge; cy lubricator line secured to said second inlet, a discharge port connected to said pump cylinder and a normally open check valve controlling said discharge'port.

2. A ump, comprising' a motor cylinder of relatively large bore, having a fluid pres sure inlet, a piston cylinder'disposed below said motor cylinder of relatively small bore, a piston disposed in said motor cylinder, a resilient member disposed be W said piston lunger secured a bore connectelow the piston and the pump cylinder and disposed for reciprocation in said ump cylinder, an inlet for said pump cy inder disposed at the lower end thereof, a throttle valve control ling said inlet, a normally open check valve controlling said inlet, a second inlet for said pump cylinder disposed adjacent said first inlet, a normally open check valve for conconduit connected to said second inlet, a throttle valve controlling said second inlet, a lubricator cup scoured to said second inlet, an -e1nergency lubnicator line secured to said second inlet, a discharge, port connected to said pump cylinder and a normally open check valve to said piston provided wit a controlling said discharge port.

3. A pump, comprising a motor cylinder, of relatively large bore, havin a fluid pressure inlet, a pump cylinder disposed below said cylinder of relatively small bore,

in said motor cylinder,'a resilient member disposed below said piston for returning same, a plunger securcdto said piston and disposed for reciprocation in said pump cylinder, an inlet for said pump cylinder disposed at the- -lower end thereof, a throttle valve controlllng said 1nlet, a normally open check valve controlling said inlet, a second inlet for said pump cylinder' disposed adjacent said first inlet, a

controlling said .fiuid pressure inlet, a

a pisnormally open check valve for controlling said inlet, a conduit connected to said second inlet, a throttle valve controlling said second inlet, a lubricator cup secured to said second lnlet, an emergency lubricatori lme secured to said second inlet, a discharge port r connected to said pump cylinder, a normally open check valve controlling said discharge port, and a safety pin disposed in said pump cylinder transverse thereto and at a point immediately above said inlet and discharge ports.

'4. A pump cylinder, comprising a motor cylinder of relatively large bore having a posed below said motor cylinder of relativelysmall bore, a piston disposed in said motor cylinder, a resilient member disposed pump cylinder disbelow said piston for returning same, a m

plunger secured to said piston and disposed for reciprocation in said pump cylinder, an inlet for said pump cylinder disposed at the lower end thereof, a needle valve. controlling said inlet, a normally open check valve controlling said inlet, a second inlet for said pump cylinder first inlet, a normally open check valve for controlling said inlet, a conduit connected 'to said second inlet, a needle valve control ling said second inlet, a lubricator cup secured to said second inlet, an emergency lubricator'line secured to said second inlet, a discharge port connected to said pump cylinder and a normally open check valve controlling said discharge port.

5. A high pressure lubricating pump comprising a motor cylinder of relatively large bore having a fluid pressure inlet, a pump cylinder disposed below said motor of relatively small bore, a piston disposed in said motor cylinder, a resilient member disposed below said piston for returning the same, a plunger securcdto said piston and reciprocably mounted iii said pump cylinder, an oil inlet for said pump cylinder at the lower end thereof, a throttle valve controlling said inlet, a normally open check valve controlling said inlet, a second oil inlet for said pump cylinder, a normally open checkvalve for controlling saidsec and irilet, adubricator cup scour to said s ond inlet, a discharge port connected to said pump cylinder, and a normally open check valve controlling said discharge port.

In witness that I claim the foregoing I have hereunto subscribed my name this 25 day of June, 1915:

' EARBY H. MCCLELLAND.

disposed adjacent said 

